build-docker.yaml

name: Create and publish a Docker image
on:
  pull_request:
    branches:
      - main
  push:
    tags:
      - "*"
env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}
jobs:
  build-and-push-image:
    runs-on:
      group: ubuntu-latest-large
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
      - name: Log in to the Container registry
        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Set up QEMU
        uses: docker/setup-qemu-action@29109295f81e9208d7d86ff1c6c12d2833863392 # v3.6.0
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@b5ca514318bd6ebac0fb2aedd5d36ec1b5c232a2 # v3.10.0
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5.7.0
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=pr
            type=ref,event=tag
            type=sha,format=long
      - name: Build and push Docker image
        uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83 # v6,18.0
        with:
          context: .
          platforms: linux/amd64,linux/arm64,linux/arm64/v8
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}